To avoid the possibility of plagiarism as you gather
information,
A. document your sources, and then summarize
and paraphrase the information as you take
notes.
B. write everything down word for word.
C. only write down very ironic ideas and no
dates.
D. don't worry about writing down where you
got your information from.

A

Explanation:

You have to document every source you use to avoid plagiarism. You also need to summarize, never write word for word except in quotation marks with intext citations

the following key ideas correctly express the key sentence.

restate key idea: most people can learn to swim in ten short lessons.

restate key idea: the majority of water-accident victims require mouth-to-mouth breathing.

restate key idea: an empty, tightly closed gallon jug will support a tired swimmer.  

restate key idea: first aid is to prevent accidents as well as assist in rescue.

explanation: the key idea needs to have the same topic as the key sentence (drowning and safety).

yeah it is i have the dark knight